Open-market SellNotable 56/100
filed 2026-10-09BDBoard
Brown Christopher D. - Director - $356.7K
Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.
View source filing9
SEC EDGAR - Form 4 insider activity
908 Devices Inc. $MASS
Tracked equity - 4 filings indexed by Nortis
Nortis signal thesis
Selling activity is leading recent insider flow. Review size, role and filing context.
0
OM buys - 90d
4
OM sells - 90d
0
Routine filings
0
Cluster filings
$356.7K
Largest trade
53/100
Avg signal score
Filing tape
Recent filings
Open-market SellNotable 50/100
filed 2026-10-08GICFO
Griffith Joseph H. IV - Chief Financial Officer - $65.2K
Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.
View source filingOpen-market SellNotable 56/100
filed 2026-10-01AIInsider
AWM Investment Company, Inc. - 10% Owner - $207.3K
Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.
View source filingOpen-market SellNotable 50/100
filed 2026-09-25AIInsider
AWM Investment Company, Inc. - 10% Owner - $11.3K
Insiders sell for many reasons (diversification, tax, personal); size and clustering matter more than a single sale.
View source filing